obama owed them a better debate. >> he looked like he was tired, drained. >> i think he didn't have practice. >> you're more worried that obama might lose now? >> no, not really. >> obama strategists hint the boss learned a lesson. >> he'll review it, if he wants to make some changes in the next debate, he'll do so. >> romney strategists claim all the change about their guy was his audience. >> people, i think saw for the first time, a lot of people, not in a 30 second attack ad or in a 12 second snip et on the news, but got to hear him indirectly. >> romney's hoping the debate strengthens his poll numbers in battleground states. tomorrow there's a new factor, a jobs report expected to help president obama by showing fewer layoffs. in denver, colorado, i'm steve handlesman, nbc bay area news. now for a look at how social media reacted to last night's debate. let's go to business and tech editor scott budman. >> thank you very much. last night wasn't just about which candidate won, it was also about the dominance of what we often call the second screen. social networking pulled in a huge numb